Adam Risley Ranch: Late/Upper Miocene, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Equidae
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Equidae indet.
Gray 1821
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Hippotigris clarendonensis n. sp.
Quinn 1955
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Quinn 1955 | |||||||||
| synonym of Protohippus supremus | ||||||||||
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Mammalia
- Antilocapridae
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Antilocapridae indet.
Gray 1866
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Mammalia
- Camelidae
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Camelidae indet.
Gray 1821
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Mammalia
- Carnivora
- Felidae
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Carnivora indet.
Bowdich 1821
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| "a few other unidentified carnivores" | ||||||||||
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= ? Pseudaelurus sp.
Leidy 1858
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Schultz 1990 | |||||||||
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Mammalia
- Carnivora
- Amphicyonidae
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Pliocyon walkerae n. sp.
Johnston and Christian 1941
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| (5 measurements) | ||||||||||
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= Ischyrocyon gidleyi
Matthew 1902
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Schultz 1990 | |||||||||
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Mammalia
- Carnivora
- Canidae
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Canidae indet.
Fischer de Waldheim 1817
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= Cynarctus fortidens
Hall and Dalquest 1962
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Schultz 1990 | |||||||||
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= Cynarctus crucidens
Barbour and Cook 1914
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Alroy 2002 | |||||||||
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Reptilia
- Testudines
- Testudinidae
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Testudo sp.
Linnaeus 1758
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= Testudinidae indet.
Batsch 1788
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Alroy 2002 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Donley |
| Coordinates: | 35.0° North, 100.8° West (view map) | ||||
| Paleocoordinates: | 35.3° North, 99.1° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| *Period: | Late/Upper Tertiary | *Epoch: | Late/Upper Miocene |
| Key time interval: | Late/Upper Miocene | ||
| Age range of interval: | 11.63000 - 5.33300 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Said to be "Pliocene" in the archaic VP sense of the term. | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: "fossil-bearing stratum of buff sand" | |
| Environment: | fluvial indet. |
| Geology comments: "pebbles and sand grains are rounded, showing that the sediments are of fluvial origin" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Fragmentation: | occasional |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Multiple family names are given, but most material presumably is generically determinate. | |
Metadata
| Also known as: | Adam Rizley Ranch | ||
| Database number: | 18346 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1992-08-05 00:00:00 | Last modified: | 2002-06-27 00:46:15 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6572. | C. S. Johnston and W. G. Christian. 1941. Pliocyon walkerae, a new Pliocene canid from Texas. Journal of Paleontology 15(1):56-60 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 56476 | J. H. Quinn. 1955. Miocene Equidae of the Texas Gulf Coastal Plain. Bureau of Economic Geology, The University of Texas Report of Investigations 5516:1-102 [J. Marcot/J. Marcot/J. Marcot] | |
| 6207 | G. E. Schultz. 1990. Stop 14: The Clarendonian faunas of the Texas and Oklahoma panhandles. In T. C. Gustavson (ed.), Tertiary and Quaternary stratigraphy and vertebrate paleontology of parts of northwestern Texas and eastern New Mexico; Guidebook - Bureau of Economic Geology, University of Texas at Austin 83-93 [J. Alroy/J. Alroy/J. Alroy] |